Necklace Inner Circumference (closed) : 18 up to 20 inches Necklace Stone: 5 high-grade rough-cut authentic golden green Dragon skin Tibetan turquoise, 3 high-grade RARE authentic fossil ammonite, 4 high-grade authentic rainbow fire white mother of pearl and 18 top-grade multi-cut authentic multi-gemstones (smoky quartz, green amethyst, drusy...